Flash Bee is an easy-to-make DIY handheld lightning detector based on an ESP32-C3 board, a round display, and AMS AS3935 ...

Measuring the speed of a rotating object is a common requirement. Knowing the speed of table and ceiling fans, as well as ...

Imagine you’re two hours into a long run and your pace—one that felt easy and controlled an hour ago—now requires more effort to maintain. This feeling of working harder to maintain the same pace is ...

In this video, I'm testing out the VL53L0x Time Of Flight sensor that optically measures distance with some IR laser to see if it will be a good option to use in future versions of my pellet level ...

Before every shot, every golfer makes the same decision: they judge distance. In the fairway, range finders, GPS devices and even the occasional sprinkler head help calculate the distance to the flag.

Most planets spend their lives orbiting a star, but some are destined for exile. According to a study published in Science on Jan. 1, 2026, astronomers have successfully measured the mass and distance ...

Rangefinders are a ubiquitous part of the golf experience for many players. And the technology is only getting better. (Photo by Emilee Chinn/Getty Images) Rangefinders have long been a popular ...

If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...

The answers to your question, respectively, are yes and no. Yes, RFID can measure distance. There is an English soccer club—I’m not permitted to say which one—that has deployed a solution for tracking ...